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Diffstat (limited to 'r300/r300_state.c')
| -rw-r--r-- | r300/r300_state.c | 2375 |
1 files changed, 2375 insertions, 0 deletions
diff --git a/r300/r300_state.c b/r300/r300_state.c new file mode 100644 index 0000000..2aaf041 --- /dev/null +++ b/r300/r300_state.c @@ -0,0 +1,2375 @@ +/* +Copyright (C) The Weather Channel, Inc. 2002. +Copyright (C) 2004 Nicolai Haehnle. +All Rights Reserved. + +The Weather Channel (TM) funded Tungsten Graphics to develop the +initial release of the Radeon 8500 driver under the XFree86 license. +This notice must be preserved. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice (including the +next paragraph) shall be included in all copies or substantial +portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +**************************************************************************/ + +/** + * \file + * + * \author Nicolai Haehnle <prefect_@gmx.net> + */ + +#include "glheader.h" +#include "state.h" +#include "imports.h" +#include "enums.h" +#include "macros.h" +#include "context.h" +#include "dd.h" +#include "simple_list.h" + +#include "api_arrayelt.h" +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "shader/prog_parameter.h" +#include "shader/prog_statevars.h" +#include "vbo/vbo.h" +#include "tnl/tnl.h" +#include "texformat.h" + +#include "radeon_ioctl.h" +#include "radeon_state.h" +#include "r300_context.h" +#include "r300_ioctl.h" +#include "r300_state.h" +#include "r300_reg.h" +#include "r300_emit.h" +#include "r300_fragprog.h" +#include "r300_tex.h" + +#include "drirenderbuffer.h" + +static void r300BlendColor(GLcontext * ctx, const GLfloat cf[4]) +{ + GLubyte color[4]; + r300ContextPtr rmesa = R300_CONTEXT(ctx); + + R300_STATECHANGE(rmesa, blend_color); + + CLAMPED_FLOAT_TO_UBYTE(color[0], cf[0]); + CLAMPED_FLOAT_TO_UBYTE(color[1], cf[1]); + CLAMPED_FLOAT_TO_UBYTE(color[2], cf[2]); + CLAMPED_FLOAT_TO_UBYTE(color[3], cf[3]); + + rmesa->hw.blend_color.cmd[1] = PACK_COLOR_8888(color[3], color[0], + color[1], color[2]); +} + +/** + * Calculate the hardware blend factor setting. This same function is used + * for source and destination of both alpha and RGB. + * + * \returns + * The hardware register value for the specified blend factor. This value + * will need to be shifted into the correct position for either source or + * destination factor. + * + * \todo + * Since the two cases where source and destination are handled differently + * are essentially error cases, they should never happen. Determine if these + * cases can be removed. + */ +static int blend_factor(GLenum factor, GLboolean is_src) +{ + switch (factor) { + case GL_ZERO: + return R300_BLEND_GL_ZERO; + break; + case GL_ONE: + return R300_BLEND_GL_ONE; + break; + case GL_DST_COLOR: + return R300_BLEND_GL_DST_COLOR; + break; + case GL_ONE_MINUS_DST_COLOR: + return R300_BLEND_GL_ONE_MINUS_DST_COLOR; + break; + case GL_SRC_COLOR: + return R300_BLEND_GL_SRC_COLOR; + break; + case GL_ONE_MINUS_SRC_COLOR: + return R300_BLEND_GL_ONE_MINUS_SRC_COLOR; + break; + case GL_SRC_ALPHA: + return R300_BLEND_GL_SRC_ALPHA; + break; + case GL_ONE_MINUS_SRC_ALPHA: + return R300_BLEND_GL_ONE_MINUS_SRC_ALPHA; + break; + case GL_DST_ALPHA: + return R300_BLEND_GL_DST_ALPHA; + break; + case GL_ONE_MINUS_DST_ALPHA: + return R300_BLEND_GL_ONE_MINUS_DST_ALPHA; + break; + case GL_SRC_ALPHA_SATURATE: + return (is_src) ? R300_BLEND_GL_SRC_ALPHA_SATURATE : + R300_BLEND_GL_ZERO; + break; + case GL_CONSTANT_COLOR: + return R300_BLEND_GL_CONST_COLOR; + break; + case GL_ONE_MINUS_CONSTANT_COLOR: + return R300_BLEND_GL_ONE_MINUS_CONST_COLOR; + break; + case GL_CONSTANT_ALPHA: + return R300_BLEND_GL_CONST_ALPHA; + break; + case GL_ONE_MINUS_CONSTANT_ALPHA: + return R300_BLEND_GL_ONE_MINUS_CONST_ALPHA; + break; + default: + fprintf(stderr, "unknown blend factor %x\n", factor); + return (is_src) ? R300_BLEND_GL_ONE : R300_BLEND_GL_ZERO; + break; + } +} + +/** + * Sets both the blend equation and the blend function. + * This is done in a single + * function because some blend equations (i.e., \c GL_MIN and \c GL_MAX) + * change the interpretation of the blend function. + * Also, make sure that blend function and blend equation are set to their + * default value if color blending is not enabled, since at least blend + * equations GL_MIN and GL_FUNC_REVERSE_SUBTRACT will cause wrong results + * otherwise for unknown reasons. + */ + +/* helper function */ +static void r300SetBlendCntl(r300ContextPtr r300, int func, int eqn, + int cbits, int funcA, int eqnA) +{ + GLuint new_ablend, new_cblend; + +#if 0 + fprintf(stderr, + "eqnA=%08x funcA=%08x eqn=%08x func=%08x cbits=%08x\n", + eqnA, funcA, eqn, func, cbits); +#endif + new_ablend = eqnA | funcA; + new_cblend = eqn | func; + + /* Some blend factor combinations don't seem to work when the + * BLEND_NO_SEPARATE bit is set. + * + * Especially problematic candidates are the ONE_MINUS_* flags, + * but I can't see a real pattern. + */ +#if 0 + if (new_ablend == new_cblend) { + new_cblend |= R300_BLEND_NO_SEPARATE; + } +#endif + new_cblend |= cbits; + + if ((new_ablend != r300->hw.bld.cmd[R300_BLD_ABLEND]) || + (new_cblend != r300->hw.bld.cmd[R300_BLD_CBLEND])) { + R300_STATECHANGE(r300, bld); + r300->hw.bld.cmd[R300_BLD_ABLEND] = new_ablend; + r300->hw.bld.cmd[R300_BLD_CBLEND] = new_cblend; + } +} + +static void r300SetBlendState(GLcontext * ctx) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + int func = (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) | + (R300_BLEND_GL_ZERO << R300_DST_BLEND_SHIFT); + int eqn = R300_COMB_FCN_ADD_CLAMP; + int funcA = (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) | + (R300_BLEND_GL_ZERO << R300_DST_BLEND_SHIFT); + int eqnA = R300_COMB_FCN_ADD_CLAMP; + + if (RGBA_LOGICOP_ENABLED(ctx) || !ctx->Color.BlendEnabled) { + r300SetBlendCntl(r300, func, eqn, 0, func, eqn); + return; + } + + func = + (blend_factor(ctx->Color.BlendSrcRGB, GL_TRUE) << + R300_SRC_BLEND_SHIFT) | (blend_factor(ctx->Color.BlendDstRGB, + GL_FALSE) << + R300_DST_BLEND_SHIFT); + + switch (ctx->Color.BlendEquationRGB) { + case GL_FUNC_ADD: + eqn = R300_COMB_FCN_ADD_CLAMP; + break; + + case GL_FUNC_SUBTRACT: + eqn = R300_COMB_FCN_SUB_CLAMP; + break; + + case GL_FUNC_REVERSE_SUBTRACT: + eqn = R300_COMB_FCN_RSUB_CLAMP; + break; + + case GL_MIN: + eqn = R300_COMB_FCN_MIN; + func = (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) | + (R300_BLEND_GL_ONE << R300_DST_BLEND_SHIFT); + break; + + case GL_MAX: + eqn = R300_COMB_FCN_MAX; + func = (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) | + (R300_BLEND_GL_ONE << R300_DST_BLEND_SHIFT); + break; + + default: + fprintf(stderr, + "[%s:%u] Invalid RGB blend equation (0x%04x).\n", + __FUNCTION__, __LINE__, ctx->Color.BlendEquationRGB); + return; + } + + funcA = + (blend_factor(ctx->Color.BlendSrcA, GL_TRUE) << + R300_SRC_BLEND_SHIFT) | (blend_factor(ctx->Color.BlendDstA, + GL_FALSE) << + R300_DST_BLEND_SHIFT); + + switch (ctx->Color.BlendEquationA) { + case GL_FUNC_ADD: + eqnA = R300_COMB_FCN_ADD_CLAMP; + break; + + case GL_FUNC_SUBTRACT: + eqnA = R300_COMB_FCN_SUB_CLAMP; + break; + + case GL_FUNC_REVERSE_SUBTRACT: + eqnA = R300_COMB_FCN_RSUB_CLAMP; + break; + + case GL_MIN: + eqnA = R300_COMB_FCN_MIN; + funcA = (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) | + (R300_BLEND_GL_ONE << R300_DST_BLEND_SHIFT); + break; + + case GL_MAX: + eqnA = R300_COMB_FCN_MAX; + funcA = (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) | + (R300_BLEND_GL_ONE << R300_DST_BLEND_SHIFT); + break; + + default: + fprintf(stderr, + "[%s:%u] Invalid A blend equation (0x%04x).\n", + __FUNCTION__, __LINE__, ctx->Color.BlendEquationA); + return; + } + + r300SetBlendCntl(r300, + func, eqn, + R300_BLEND_UNKNOWN | R300_BLEND_ENABLE, funcA, eqnA); +} + +static void r300BlendEquationSeparate(GLcontext * ctx, + GLenum modeRGB, GLenum modeA) +{ + r300SetBlendState(ctx); +} + +static void r300BlendFuncSeparate(GLcontext * ctx, + GLenum sfactorRGB, GLenum dfactorRGB, + GLenum sfactorA, GLenum dfactorA) +{ + r300SetBlendState(ctx); +} + +/** + * Update our tracked culling state based on Mesa's state. + */ +static void r300UpdateCulling(GLcontext * ctx) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + uint32_t val = 0; + + R300_STATECHANGE(r300, cul); + if (ctx->Polygon.CullFlag) { + if (ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) + val = R300_CULL_FRONT | R300_CULL_BACK; + else if (ctx->Polygon.CullFaceMode == GL_FRONT) + val = R300_CULL_FRONT; + else + val = R300_CULL_BACK; + + if (ctx->Polygon.FrontFace == GL_CW) + val |= R300_FRONT_FACE_CW; + else + val |= R300_FRONT_FACE_CCW; + } + r300->hw.cul.cmd[R300_CUL_CULL] = val; +} + +static void r300SetEarlyZState(GLcontext * ctx) +{ + /* updates register R300_RB3D_EARLY_Z (0x4F14) + if depth test is not enabled it should be R300_EARLY_Z_DISABLE + if depth is enabled and alpha not it should be R300_EARLY_Z_ENABLE + if depth and alpha is enabled it should be R300_EARLY_Z_DISABLE + */ + r300ContextPtr r300 = R300_CONTEXT(ctx); + + R300_STATECHANGE(r300, zstencil_format); + if (ctx->Color.AlphaEnabled && ctx->Color.AlphaFunc != GL_ALWAYS) + /* disable early Z */ + r300->hw.zstencil_format.cmd[2] = R300_EARLY_Z_DISABLE; + else { + if (ctx->Depth.Test && ctx->Depth.Func != GL_NEVER) + /* enable early Z */ + r300->hw.zstencil_format.cmd[2] = R300_EARLY_Z_ENABLE; + else + /* disable early Z */ + r300->hw.zstencil_format.cmd[2] = R300_EARLY_Z_DISABLE; + } +} + +static void r300SetAlphaState(GLcontext * ctx) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + GLubyte refByte; + uint32_t pp_misc = 0x0; + GLboolean really_enabled = ctx->Color.AlphaEnabled; + + CLAMPED_FLOAT_TO_UBYTE(refByte, ctx->Color.AlphaRef); + + switch (ctx->Color.AlphaFunc) { + case GL_NEVER: + pp_misc |= R300_ALPHA_TEST_FAIL; + break; + case GL_LESS: + pp_misc |= R300_ALPHA_TEST_LESS; + break; + case GL_EQUAL: + pp_misc |= R300_ALPHA_TEST_EQUAL; + break; + case GL_LEQUAL: + pp_misc |= R300_ALPHA_TEST_LEQUAL; + break; + case GL_GREATER: + pp_misc |= R300_ALPHA_TEST_GREATER; + break; + case GL_NOTEQUAL: + pp_misc |= R300_ALPHA_TEST_NEQUAL; + break; + case GL_GEQUAL: + pp_misc |= R300_ALPHA_TEST_GEQUAL; + break; + case GL_ALWAYS: + /*pp_misc |= R300_ALPHA_TEST_PASS; */ + really_enabled = GL_FALSE; + break; + } + + if (really_enabled) { + pp_misc |= R300_ALPHA_TEST_ENABLE; + pp_misc |= (refByte & R300_REF_ALPHA_MASK); + } else { + pp_misc = 0x0; + } + + R300_STATECHANGE(r300, at); + r300->hw.at.cmd[R300_AT_ALPHA_TEST] = pp_misc; + + r300SetEarlyZState(ctx); +} + +static void r300AlphaFunc(GLcontext * ctx, GLenum func, GLfloat ref) +{ + (void)func; + (void)ref; + r300SetAlphaState(ctx); +} + +static int translate_func(int func) +{ + switch (func) { + case GL_NEVER: + return R300_ZS_NEVER; + case GL_LESS: + return R300_ZS_LESS; + case GL_EQUAL: + return R300_ZS_EQUAL; + case GL_LEQUAL: + return R300_ZS_LEQUAL; + case GL_GREATER: + return R300_ZS_GREATER; + case GL_NOTEQUAL: + return R300_ZS_NOTEQUAL; + case GL_GEQUAL: + return R300_ZS_GEQUAL; + case GL_ALWAYS: + return R300_ZS_ALWAYS; + } + return 0; +} + +static void r300SetDepthState(GLcontext * ctx) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + + R300_STATECHANGE(r300, zs); + r300->hw.zs.cmd[R300_ZS_CNTL_0] &= R300_RB3D_STENCIL_ENABLE; + r300->hw.zs.cmd[R300_ZS_CNTL_1] &= + ~(R300_ZS_MASK << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT); + + if (ctx->Depth.Test && ctx->Depth.Func != GL_NEVER) { + if (ctx->Depth.Mask) + r300->hw.zs.cmd[R300_ZS_CNTL_0] |= + R300_RB3D_Z_TEST_AND_WRITE; + else + r300->hw.zs.cmd[R300_ZS_CNTL_0] |= R300_RB3D_Z_TEST; + + r300->hw.zs.cmd[R300_ZS_CNTL_1] |= + translate_func(ctx->Depth. + Func) << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT; + } else { + r300->hw.zs.cmd[R300_ZS_CNTL_0] |= R300_RB3D_Z_DISABLED_1; + r300->hw.zs.cmd[R300_ZS_CNTL_1] |= + translate_func(GL_NEVER) << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT; + } + + r300SetEarlyZState(ctx); +} + +static void r300ClipPlane( GLcontext *ctx, GLenum plane, const GLfloat *eq ); + +/** + * Handle glEnable()/glDisable(). + * + * \note Mesa already filters redundant calls to glEnable/glDisable. + */ +static void r300Enable(GLcontext * ctx, GLenum cap, GLboolean state) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + GLuint p; + if (RADEON_DEBUG & DEBUG_STATE) + fprintf(stderr, "%s( %s = %s )\n", __FUNCTION__, + _mesa_lookup_enum_by_nr(cap), + state ? "GL_TRUE" : "GL_FALSE"); + + switch (cap) { + /* Fast track this one... + */ + case GL_TEXTURE_1D: + case GL_TEXTURE_2D: + case GL_TEXTURE_3D: + break; + + case GL_FOG: + R300_STATECHANGE(r300, fogs); + if (state) { + r300->hw.fogs.cmd[R300_FOGS_STATE] |= R300_FOG_ENABLE; + + ctx->Driver.Fogfv(ctx, GL_FOG_MODE, NULL); + ctx->Driver.Fogfv(ctx, GL_FOG_DENSITY, + &ctx->Fog.Density); + ctx->Driver.Fogfv(ctx, GL_FOG_START, &ctx->Fog.Start); + ctx->Driver.Fogfv(ctx, GL_FOG_END, &ctx->Fog.End); + ctx->Driver.Fogfv(ctx, GL_FOG_COLOR, ctx->Fog.Color); + } else { + r300->hw.fogs.cmd[R300_FOGS_STATE] &= ~R300_FOG_ENABLE; + } + + break; + + case GL_ALPHA_TEST: + r300SetAlphaState(ctx); + break; + + case GL_BLEND: + case GL_COLOR_LOGIC_OP: + r300SetBlendState(ctx); + break; + + + case GL_CLIP_PLANE0: + case GL_CLIP_PLANE1: + case GL_CLIP_PLANE2: + case GL_CLIP_PLANE3: + case GL_CLIP_PLANE4: + case GL_CLIP_PLANE5: + /* no VAP UCP on non-TCL chipsets */ + if (!(r300->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) + return; + + p = cap-GL_CLIP_PLANE0; + R300_STATECHANGE( r300, vap_clip_cntl ); + if (state) { + r300->hw.vap_clip_cntl.cmd[1] |= (R300_VAP_UCP_ENABLE_0<<p); + r300ClipPlane( ctx, cap, NULL ); + } + else { + r300->hw.vap_clip_cntl.cmd[1] &= ~(R300_VAP_UCP_ENABLE_0<<p); + } + break; + case GL_DEPTH_TEST: + r300SetDepthState(ctx); + break; + + case GL_STENCIL_TEST: + if (r300->state.stencil.hw_stencil) { + R300_STATECHANGE(r300, zs); + if (state) { + r300->hw.zs.cmd[R300_ZS_CNTL_0] |= + R300_RB3D_STENCIL_ENABLE; + } else { + r300->hw.zs.cmd[R300_ZS_CNTL_0] &= + ~R300_RB3D_STENCIL_ENABLE; + } + } else { +#if R200_MERGED + FALLBACK(&r300->radeon, RADEON_FALLBACK_STENCIL, state); +#endif + } + break; + + case GL_CULL_FACE: + r300UpdateCulling(ctx); + break; + + case GL_POLYGON_OFFSET_POINT: + case GL_POLYGON_OFFSET_LINE: + break; + + case GL_POLYGON_OFFSET_FILL: + R300_STATECHANGE(r300, occlusion_cntl); + if (state) { + r300->hw.occlusion_cntl.cmd[1] |= (3 << 0); + } else { + r300->hw.occlusion_cntl.cmd[1] &= ~(3 << 0); + } + break; + default: + radeonEnable(ctx, cap, state); + return; + } +} + +static void r300UpdatePolygonMode(GLcontext * ctx) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + uint32_t hw_mode = 0; + + if (ctx->Polygon.FrontMode != GL_FILL || + ctx->Polygon.BackMode != GL_FILL) { + GLenum f, b; + + if (ctx->Polygon.FrontFace == GL_CCW) { + f = ctx->Polygon.FrontMode; + b = ctx->Polygon.BackMode; + } else { + f = ctx->Polygon.BackMode; + b = ctx->Polygon.FrontMode; + } + + hw_mode |= R300_PM_ENABLED; + + switch (f) { + case GL_LINE: + hw_mode |= R300_PM_FRONT_LINE; + break; + case GL_POINT: /* noop */ + hw_mode |= R300_PM_FRONT_POINT; + break; + case GL_FILL: + hw_mode |= R300_PM_FRONT_FILL; + break; + } + + switch (b) { + case GL_LINE: + hw_mode |= R300_PM_BACK_LINE; + break; + case GL_POINT: /* noop */ + hw_mode |= R300_PM_BACK_POINT; + break; + case GL_FILL: + hw_mode |= R300_PM_BACK_FILL; + break; + } + } + + if (r300->hw.polygon_mode.cmd[1] != hw_mode) { + R300_STATECHANGE(r300, polygon_mode); + r300->hw.polygon_mode.cmd[1] = hw_mode; + } +} + +/** + * Change the culling mode. + * + * \note Mesa already filters redundant calls to this function. + */ +static void r300CullFace(GLcontext * ctx, GLenum mode) +{ + (void)mode; + + r300UpdateCulling(ctx); +} + +/** + * Change the polygon orientation. + * + * \note Mesa already filters redundant calls to this function. + */ +static void r300FrontFace(GLcontext * ctx, GLenum mode) +{ + (void)mode; + + r300UpdateCulling(ctx); + r300UpdatePolygonMode(ctx); +} + +/** + * Change the depth testing function. + * + * \note Mesa already filters redundant calls to this function. + */ +static void r300DepthFunc(GLcontext * ctx, GLenum func) +{ + (void)func; + r300SetDepthState(ctx); +} + +/** + * Enable/Disable depth writing. + * + * \note Mesa already filters redundant calls to this function. + */ +static void r300DepthMask(GLcontext * ctx, GLboolean mask) +{ + (void)mask; + r300SetDepthState(ctx); +} + +/** + * Handle glColorMask() + */ +static void r300ColorMask(GLcontext * ctx, + GLboolean r, GLboolean g, GLboolean b, GLboolean a) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + int mask = (r ? R300_COLORMASK0_R : 0) | + (g ? R300_COLORMASK0_G : 0) | + (b ? R300_COLORMASK0_B : 0) | (a ? R300_COLORMASK0_A : 0); + + if (mask != r300->hw.cmk.cmd[R300_CMK_COLORMASK]) { + R300_STATECHANGE(r300, cmk); + r300->hw.cmk.cmd[R300_CMK_COLORMASK] = mask; + } +} + +/* ============================================================= + * Fog + */ +static void r300Fogfv(GLcontext * ctx, GLenum pname, const GLfloat * param) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + union { + int i; + float f; + } fogScale, fogStart; + + (void)param; + + fogScale.i = r300->hw.fogp.cmd[R300_FOGP_SCALE]; + fogStart.i = r300->hw.fogp.cmd[R300_FOGP_START]; + + switch (pname) { + case GL_FOG_MODE: + if (!ctx->Fog.Enabled) + return; + switch (ctx->Fog.Mode) { + case GL_LINEAR: + R300_STATECHANGE(r300, fogs); + r300->hw.fogs.cmd[R300_FOGS_STATE] = + (r300->hw.fogs. + cmd[R300_FOGS_STATE] & ~R300_FOG_MODE_MASK) | + R300_FOG_MODE_LINEAR; + + if (ctx->Fog.Start == ctx->Fog.End) { + fogScale.f = -1.0; + fogStart.f = 1.0; + } else { + fogScale.f = + 1.0 / (ctx->Fog.End - ctx->Fog.Start); + fogStart.f = + -ctx->Fog.Start / (ctx->Fog.End - + ctx->Fog.Start); + } + break; + case GL_EXP: + R300_STATECHANGE(r300, fogs); + r300->hw.fogs.cmd[R300_FOGS_STATE] = + (r300->hw.fogs. + cmd[R300_FOGS_STATE] & ~R300_FOG_MODE_MASK) | + R300_FOG_MODE_EXP; + fogScale.f = 0.0933 * ctx->Fog.Density; + fogStart.f = 0.0; + break; + case GL_EXP2: + R300_STATECHANGE(r300, fogs); + r300->hw.fogs.cmd[R300_FOGS_STATE] = + (r300->hw.fogs. + cmd[R300_FOGS_STATE] & ~R300_FOG_MODE_MASK) | + R300_FOG_MODE_EXP2; + fogScale.f = 0.3 * ctx->Fog.Density; + fogStart.f = 0.0; + default: + return; + } + break; + case GL_FOG_DENSITY: + switch (ctx->Fog.Mode) { + case GL_EXP: + fogScale.f = 0.0933 * ctx->Fog.Density; + fogStart.f = 0.0; + break; + case GL_EXP2: + fogScale.f = 0.3 * ctx->Fog.Density; + fogStart.f = 0.0; + default: + break; + } + break; + case GL_FOG_START: + case GL_FOG_END: + if (ctx->Fog.Mode == GL_LINEAR) { + if (ctx->Fog.Start == ctx->Fog.End) { + fogScale.f = -1.0; + fogStart.f = 1.0; + } else { + fogScale.f = + 1.0 / (ctx->Fog.End - ctx->Fog.Start); + fogStart.f = + -ctx->Fog.Start / (ctx->Fog.End - + ctx->Fog.Start); + } + } + break; + case GL_FOG_COLOR: + R300_STATECHANGE(r300, fogc); + r300->hw.fogc.cmd[R300_FOGC_R] = + (GLuint) (ctx->Fog.Color[0] * 1023.0F) & 0x3FF; + r300->hw.fogc.cmd[R300_FOGC_G] = + (GLuint) (ctx->Fog.Color[1] * 1023.0F) & 0x3FF; + r300->hw.fogc.cmd[R300_FOGC_B] = + (GLuint) (ctx->Fog.Color[2] * 1023.0F) & 0x3FF; + break; + case GL_FOG_COORD_SRC: + break; + default: + return; + } + + if (fogScale.i != r300->hw.fogp.cmd[R300_FOGP_SCALE] || + fogStart.i != r300->hw.fogp.cmd[R300_FOGP_START]) { + R300_STATECHANGE(r300, fogp); + r300->hw.fogp.cmd[R300_FOGP_SCALE] = fogScale.i; + r300->hw.fogp.cmd[R300_FOGP_START] = fogStart.i; + } +} + +/* ============================================================= + * Point state + */ +static void r300PointSize(GLcontext * ctx, GLfloat size) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + + size = ctx->Point._Size; + + R300_STATECHANGE(r300, ps); + r300->hw.ps.cmd[R300_PS_POINTSIZE] = + ((int)(size * 6) << R300_POINTSIZE_X_SHIFT) | + ((int)(size * 6) << R300_POINTSIZE_Y_SHIFT); +} + +/* ============================================================= + * Line state + */ +static void r300LineWidth(GLcontext * ctx, GLfloat widthf) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + + widthf = ctx->Line._Width; + + R300_STATECHANGE(r300, lcntl); + r300->hw.lcntl.cmd[1] = (int)(widthf * 6.0); + r300->hw.lcntl.cmd[1] |= R300_LINE_CNT_VE; +} + +static void r300PolygonMode(GLcontext * ctx, GLenum face, GLenum mode) +{ + (void)face; + (void)mode; + + r300UpdatePolygonMode(ctx); +} + +/* ============================================================= + * Stencil + */ + +static int translate_stencil_op(int op) +{ + switch (op) { + case GL_KEEP: + return R300_ZS_KEEP; + case GL_ZERO: + return R300_ZS_ZERO; + case GL_REPLACE: + return R300_ZS_REPLACE; + case GL_INCR: + return R300_ZS_INCR; + case GL_DECR: + return R300_ZS_DECR; + case GL_INCR_WRAP_EXT: + return R300_ZS_INCR_WRAP; + case GL_DECR_WRAP_EXT: + return R300_ZS_DECR_WRAP; + case GL_INVERT: + return R300_ZS_INVERT; + default: + WARN_ONCE("Do not know how to translate stencil op"); + return R300_ZS_KEEP; + } + return 0; +} + +static void r300ShadeModel(GLcontext * ctx, GLenum mode) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + + R300_STATECHANGE(rmesa, shade); + switch (mode) { + case GL_FLAT: + rmesa->hw.shade.cmd[2] = R300_RE_SHADE_MODEL_FLAT; + break; + case GL_SMOOTH: + rmesa->hw.shade.cmd[2] = R300_RE_SHADE_MODEL_SMOOTH; + break; + default: + return; + } +} + +static void r300StencilFuncSeparate(GLcontext * ctx, GLenum face, + GLenum func, GLint ref, GLuint mask) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + GLuint refmask = + (((ctx->Stencil. + Ref[0] & 0xff) << R300_RB3D_ZS2_STENCIL_REF_SHIFT) | ((ctx-> + Stencil. + ValueMask + [0] & + 0xff) + << + R300_RB3D_ZS2_STENCIL_MASK_SHIFT)); + + GLuint flag; + + R300_STATECHANGE(rmesa, zs); + + rmesa->hw.zs.cmd[R300_ZS_CNTL_1] &= ~((R300_ZS_MASK << + R300_RB3D_ZS1_FRONT_FUNC_SHIFT) + | (R300_ZS_MASK << + R300_RB3D_ZS1_BACK_FUNC_SHIFT)); + + rmesa->hw.zs.cmd[R300_ZS_CNTL_2] &= + ~((R300_RB3D_ZS2_STENCIL_MASK << + R300_RB3D_ZS2_STENCIL_REF_SHIFT) | + (R300_RB3D_ZS2_STENCIL_MASK << R300_RB3D_ZS2_STENCIL_MASK_SHIFT)); + + flag = translate_func(ctx->Stencil.Function[0]); + rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |= + (flag << R300_RB3D_ZS1_FRONT_FUNC_SHIFT); + + if (ctx->Stencil._TestTwoSide) + flag = translate_func(ctx->Stencil.Function[1]); + + rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |= + (flag << R300_RB3D_ZS1_BACK_FUNC_SHIFT); + rmesa->hw.zs.cmd[R300_ZS_CNTL_2] |= refmask; +} + +static void r300StencilMaskSeparate(GLcontext * ctx, GLenum face, GLuint mask) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + + R300_STATECHANGE(rmesa, zs); + rmesa->hw.zs.cmd[R300_ZS_CNTL_2] &= + ~(R300_RB3D_ZS2_STENCIL_MASK << + R300_RB3D_ZS2_STENCIL_WRITE_MASK_SHIFT); + rmesa->hw.zs.cmd[R300_ZS_CNTL_2] |= + (ctx->Stencil. + WriteMask[0] & 0xff) << R300_RB3D_ZS2_STENCIL_WRITE_MASK_SHIFT; +} + +static void r300StencilOpSeparate(GLcontext * ctx, GLenum face, + GLenum fail, GLenum zfail, GLenum zpass) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + + R300_STATECHANGE(rmesa, zs); + /* It is easier to mask what's left.. */ + rmesa->hw.zs.cmd[R300_ZS_CNTL_1] &= + (R300_ZS_MASK << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT) | + (R300_ZS_MASK << R300_RB3D_ZS1_FRONT_FUNC_SHIFT) | + (R300_ZS_MASK << R300_RB3D_ZS1_BACK_FUNC_SHIFT); + + rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |= + (translate_stencil_op(ctx->Stencil.FailFunc[0]) << + R300_RB3D_ZS1_FRONT_FAIL_OP_SHIFT) + | (translate_stencil_op(ctx->Stencil.ZFailFunc[0]) << + R300_RB3D_ZS1_FRONT_ZFAIL_OP_SHIFT) + | (translate_stencil_op(ctx->Stencil.ZPassFunc[0]) << + R300_RB3D_ZS1_FRONT_ZPASS_OP_SHIFT); + + if (ctx->Stencil._TestTwoSide) { + rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |= + (translate_stencil_op(ctx->Stencil.FailFunc[1]) << + R300_RB3D_ZS1_BACK_FAIL_OP_SHIFT) + | (translate_stencil_op(ctx->Stencil.ZFailFunc[1]) << + R300_RB3D_ZS1_BACK_ZFAIL_OP_SHIFT) + | (translate_stencil_op(ctx->Stencil.ZPassFunc[1]) << + R300_RB3D_ZS1_BACK_ZPASS_OP_SHIFT); + } else { + rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |= + (translate_stencil_op(ctx->Stencil.FailFunc[0]) << + R300_RB3D_ZS1_BACK_FAIL_OP_SHIFT) + | (translate_stencil_op(ctx->Stencil.ZFailFunc[0]) << + R300_RB3D_ZS1_BACK_ZFAIL_OP_SHIFT) + | (translate_stencil_op(ctx->Stencil.ZPassFunc[0]) << + R300_RB3D_ZS1_BACK_ZPASS_OP_SHIFT); + } +} + +static void r300ClearStencil(GLcontext * ctx, GLint s) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + + rmesa->state.stencil.clear = + ((GLuint) (ctx->Stencil.Clear & 0xff) | + (R300_RB3D_ZS2_STENCIL_MASK << + R300_RB3D_ZS2_STENCIL_MASK_SHIFT) | ((ctx->Stencil. + WriteMask[0] & 0xff) << + R300_RB3D_ZS2_STENCIL_WRITE_MASK_SHIFT)); +} + +/* ============================================================= + * Window position and viewport transformation + */ + +/* + * To correctly position primitives: + */ +#define SUBPIXEL_X 0.125 +#define SUBPIXEL_Y 0.125 + +static void r300UpdateWindow(GLcontext * ctx) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + __DRIdrawablePrivate *dPriv = rmesa->radeon.dri.drawable; + GLfloat xoffset = dPriv ? (GLfloat) dPriv->x : 0; + GLfloat yoffset = dPriv ? (GLfloat) dPriv->y + dPriv->h : 0; + const GLfloat *v = ctx->Viewport._WindowMap.m; + + GLfloat sx = v[MAT_SX]; + GLfloat tx = v[MAT_TX] + xoffset + SUBPIXEL_X; + GLfloat sy = -v[MAT_SY]; + GLfloat ty = (-v[MAT_TY]) + yoffset + SUBPIXEL_Y; + GLfloat sz = v[MAT_SZ] * rmesa->state.depth.scale; + GLfloat tz = v[MAT_TZ] * rmesa->state.depth.scale; + + R300_FIREVERTICES(rmesa); + R300_STATECHANGE(rmesa, vpt); + + rmesa->hw.vpt.cmd[R300_VPT_XSCALE] = r300PackFloat32(sx); + rmesa->hw.vpt.cmd[R300_VPT_XOFFSET] = r300PackFloat32(tx); + rmesa->hw.vpt.cmd[R300_VPT_YSCALE] = r300PackFloat32(sy); + rmesa->hw.vpt.cmd[R300_VPT_YOFFSET] = r300PackFloat32(ty); + rmesa->hw.vpt.cmd[R300_VPT_ZSCALE] = r300PackFloat32(sz); + rmesa->hw.vpt.cmd[R300_VPT_ZOFFSET] = r300PackFloat32(tz); +} + +static void r300Viewport(GLcontext * ctx, GLint x, GLint y, + GLsizei width, GLsizei height) +{ + /* Don't pipeline viewport changes, conflict with window offset + * setting below. Could apply deltas to rescue pipelined viewport + * values, or keep the originals hanging around. + */ + r300UpdateWindow(ctx); +} + +static void r300DepthRange(GLcontext * ctx, GLclampd nearval, GLclampd farval) +{ + r300UpdateWindow(ctx); +} + +void r300UpdateViewportOffset(GLcontext * ctx) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + __DRIdrawablePrivate *dPriv = ((radeonContextPtr) rmesa)->dri.drawable; + GLfloat xoffset = (GLfloat) dPriv->x; + GLfloat yoffset = (GLfloat) dPriv->y + dPriv->h; + const GLfloat *v = ctx->Viewport._WindowMap.m; + + GLfloat tx = v[MAT_TX] + xoffset + SUBPIXEL_X; + GLfloat ty = (-v[MAT_TY]) + yoffset + SUBPIXEL_Y; + + if (rmesa->hw.vpt.cmd[R300_VPT_XOFFSET] != r300PackFloat32(tx) || + rmesa->hw.vpt.cmd[R300_VPT_YOFFSET] != r300PackFloat32(ty)) { + /* Note: this should also modify whatever data the context reset + * code uses... + */ + R300_STATECHANGE(rmesa, vpt); + rmesa->hw.vpt.cmd[R300_VPT_XOFFSET] = r300PackFloat32(tx); + rmesa->hw.vpt.cmd[R300_VPT_YOFFSET] = r300PackFloat32(ty); + + } + + radeonUpdateScissor(ctx); +} + +/** + * Tell the card where to render (offset, pitch). + * Effected by glDrawBuffer, etc + */ +void r300UpdateDrawBuffer(GLcontext * ctx) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + r300ContextPtr r300 = rmesa; + struct gl_framebuffer *fb = ctx->DrawBuffer; + driRenderbuffer *drb; + + if (fb->_ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT) { + /* draw to front */ + drb = + (driRenderbuffer *) fb->Attachment[BUFFER_FRONT_LEFT]. + Renderbuffer; + } else if (fb->_ColorDrawBufferMask[0] == BUFFER_BIT_BACK_LEFT) { + /* draw to back */ + drb = + (driRenderbuffer *) fb->Attachment[BUFFER_BACK_LEFT]. + Renderbuffer; + } else { + /* drawing to multiple buffers, or none */ + return; + } + + assert(drb); + assert(drb->flippedPitch); + + R300_STATECHANGE(rmesa, cb); + + r300->hw.cb.cmd[R300_CB_OFFSET] = drb->flippedOffset + //r300->radeon.state.color.drawOffset + + r300->radeon.radeonScreen->fbLocation; + r300->hw.cb.cmd[R300_CB_PITCH] = drb->flippedPitch; //r300->radeon.state.color.drawPitch; + + if (r300->radeon.radeonScreen->cpp == 4) + r300->hw.cb.cmd[R300_CB_PITCH] |= R300_COLOR_FORMAT_ARGB8888; + else + r300->hw.cb.cmd[R300_CB_PITCH] |= R300_COLOR_FORMAT_RGB565; + + if (r300->radeon.sarea->tiling_enabled) + r300->hw.cb.cmd[R300_CB_PITCH] |= R300_COLOR_TILE_ENABLE; +#if 0 + R200_STATECHANGE(rmesa, ctx); + + /* Note: we used the (possibly) page-flipped values */ + rmesa->hw.ctx.cmd[CTX_RB3D_COLOROFFSET] + = ((drb->flippedOffset + rmesa->r200Screen->fbLocation) + & R200_COLOROFFSET_MASK); + rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] = drb->flippedPitch; + + if (rmesa->sarea->tiling_enabled) { + rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |= + R200_COLOR_TILE_ENABLE; + } +#endif +} + +static void +r300FetchStateParameter(GLcontext * ctx, + const gl_state_index state[STATE_LENGTH], + GLfloat * value) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + + switch (state[0]) { + case STATE_INTERNAL: + switch (state[1]) { + case STATE_R300_WINDOW_DIMENSION: + value[0] = r300->radeon.dri.drawable->w * 0.5f; /* width*0.5 */ + value[1] = r300->radeon.dri.drawable->h * 0.5f; /* height*0.5 */ + value[2] = 0.5F; /* for moving range [-1 1] -> [0 1] */ + value[3] = 1.0F; /* not used */ + break; + + case STATE_R300_TEXRECT_FACTOR:{ + struct gl_texture_object *t = + ctx->Texture.Unit[state[2]].CurrentRect; + + if (t && t->Image[0][t->BaseLevel]) { + struct gl_texture_image *image = + t->Image[0][t->BaseLevel]; + value[0] = 1.0 / image->Width2; + value[1] = 1.0 / image->Height2; + } else { + value[0] = 1.0; + value[1] = 1.0; + } + value[2] = 1.0; + value[3] = 1.0; + break; + } + + default: + break; + } + break; + + default: + break; + } +} + +/** + * Update R300's own internal state parameters. + * For now just STATE_R300_WINDOW_DIMENSION + */ +void r300UpdateStateParameters(GLcontext * ctx, GLuint new_state) +{ + struct r300_fragment_program *fp; + struct gl_program_parameter_list *paramList; + GLuint i; + + if (!(new_state & (_NEW_BUFFERS | _NEW_PROGRAM))) + return; + + fp = (struct r300_fragment_program *)ctx->FragmentProgram._Current; + if (!fp) + return; + + paramList = fp->mesa_program.Base.Parameters; + + if (!paramList) + return; + + for (i = 0; i < paramList->NumParameters; i++) { + if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR) { + r300FetchStateParameter(ctx, + paramList->Parameters[i]. + StateIndexes, + paramList->ParameterValues[i]); + } + } +} + +/* ============================================================= + * Polygon state + */ +static void r300PolygonOffset(GLcontext * ctx, GLfloat factor, GLfloat units) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + GLfloat constant = units; + + switch (ctx->Visual.depthBits) { + case 16: + constant *= 4.0; + break; + case 24: + constant *= 2.0; + break; + } + + factor *= 12.0; + +/* fprintf(stderr, "%s f:%f u:%f\n", __FUNCTION__, factor, constant); */ + + R300_STATECHANGE(rmesa, zbs); + rmesa->hw.zbs.cmd[R300_ZBS_T_FACTOR] = r300PackFloat32(factor); + rmesa->hw.zbs.cmd[R300_ZBS_T_CONSTANT] = r300PackFloat32(constant); + rmesa->hw.zbs.cmd[R300_ZBS_W_FACTOR] = r300PackFloat32(factor); + rmesa->hw.zbs.cmd[R300_ZBS_W_CONSTANT] = r300PackFloat32(constant); +} + +/* Routing and texture-related */ + +/* r300 doesnt handle GL_CLAMP and GL_MIRROR_CLAMP_EXT correctly when filter is NEAREST. + * Since texwrap produces same results for GL_CLAMP and GL_CLAMP_TO_EDGE we use them instead. + * We need to recalculate wrap modes whenever filter mode is changed because someone might do: + * glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + * glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); + * glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + * Since r300 completely ignores R300_TX_CLAMP when either min or mag is nearest it cant handle + * combinations where only one of them is nearest. + */ +static unsigned long gen_fixed_filter(unsigned long f) +{ + unsigned long mag, min, needs_fixing = 0; + //return f; + + /* We ignore MIRROR bit so we dont have to do everything twice */ + if ((f & ((7 - 1) << R300_TX_WRAP_S_SHIFT)) == + (R300_TX_CLAMP << R300_TX_WRAP_S_SHIFT)) { + needs_fixing |= 1; + } + if ((f & ((7 - 1) << R300_TX_WRAP_T_SHIFT)) == + (R300_TX_CLAMP << R300_TX_WRAP_T_SHIFT)) { + needs_fixing |= 2; + } + if ((f & ((7 - 1) << R300_TX_WRAP_Q_SHIFT)) == + (R300_TX_CLAMP << R300_TX_WRAP_Q_SHIFT)) { + needs_fixing |= 4; + } + + if (!needs_fixing) + return f; + + mag = f & R300_TX_MAG_FILTER_MASK; + min = f & R300_TX_MIN_FILTER_MASK; + + /* TODO: Check for anisto filters too */ + if ((mag != R300_TX_MAG_FILTER_NEAREST) + && (min != R300_TX_MIN_FILTER_NEAREST)) + return f; + + /* r300 cant handle these modes hence we force nearest to linear */ + if ((mag == R300_TX_MAG_FILTER_NEAREST) + && (min != R300_TX_MIN_FILTER_NEAREST)) { + f &= ~R300_TX_MAG_FILTER_NEAREST; + f |= R300_TX_MAG_FILTER_LINEAR; + return f; + } + + if ((min == R300_TX_MIN_FILTER_NEAREST) + && (mag != R300_TX_MAG_FILTER_NEAREST)) { + f &= ~R300_TX_MIN_FILTER_NEAREST; + f |= R300_TX_MIN_FILTER_LINEAR; + return f; + } + + /* Both are nearest */ + if (needs_fixing & 1) { + f &= ~((7 - 1) << R300_TX_WRAP_S_SHIFT); + f |= R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_S_SHIFT; + } + if (needs_fixing & 2) { + f &= ~((7 - 1) << R300_TX_WRAP_T_SHIFT); + f |= R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_T_SHIFT; + } + if (needs_fixing & 4) { + f &= ~((7 - 1) << R300_TX_WRAP_Q_SHIFT); + f |= R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_Q_SHIFT; + } + return f; +} + +static void r300SetupTextures(GLcontext * ctx) +{ + int i, mtu; + struct r300_tex_obj *t; + r300ContextPtr r300 = R300_CONTEXT(ctx); + int hw_tmu = 0; + int last_hw_tmu = -1; /* -1 translates into no setup costs for fields */ + int tmu_mappings[R300_MAX_TEXTURE_UNITS] = { -1, }; + struct r300_fragment_program *fp = (struct r300_fragment_program *) + (char *)ctx->FragmentProgram._Current; + + R300_STATECHANGE(r300, txe); + R300_STATECHANGE(r300, tex.filter); + R300_STATECHANGE(r300, tex.filter_1); + R300_STATECHANGE(r300, tex.size); + R300_STATECHANGE(r300, tex.format); + R300_STATECHANGE(r300, tex.pitch); + R300_STATECHANGE(r300, tex.offset); + R300_STATECHANGE(r300, tex.chroma_key); + R300_STATECHANGE(r300, tex.border_color); + + r300->hw.txe.cmd[R300_TXE_ENABLE] = 0x0; + + mtu = r300->radeon.glCtx->Const.MaxTextureUnits; + if (RADEON_DEBUG & DEBUG_STATE) + fprintf(stderr, "mtu=%d\n", mtu); + + if (mtu > R300_MAX_TEXTURE_UNITS) { + fprintf(stderr, + "Aiiee ! mtu=%d is greater than R300_MAX_TEXTURE_UNITS=%d\n", + mtu, R300_MAX_TEXTURE_UNITS); + _mesa_exit(-1); + } + + /* We cannot let disabled tmu offsets pass DRM */ + for (i = 0; i < mtu; i++) { + if (ctx->Texture.Unit[i]._ReallyEnabled) { + +#if 0 /* Enables old behaviour */ + hw_tmu = i; +#endif + tmu_mappings[i] = hw_tmu; + + t = r300->state.texture.unit[i].texobj; + /* XXX questionable fix for bug 9170: */ + if (!t) + continue; + + if ((t->format & 0xffffff00) == 0xffffff00) { + WARN_ONCE + ("unknown texture format (entry %x) encountered. Help me !\n", + t->format & 0xff); + } + + if (RADEON_DEBUG & DEBUG_STATE) + fprintf(stderr, + "Activating texture unit %d\n", i); + + r300->hw.txe.cmd[R300_TXE_ENABLE] |= (1 << hw_tmu); + + r300->hw.tex.filter.cmd[R300_TEX_VALUE_0 + + hw_tmu] = + gen_fixed_filter(t->filter) | (hw_tmu << 28); + /* Currently disabled! */ + r300->hw.tex.filter_1.cmd[R300_TEX_VALUE_0 + hw_tmu] = 0x0; //0x20501f80; + r300->hw.tex.size.cmd[R300_TEX_VALUE_0 + hw_tmu] = + t->size; + r300->hw.tex.format.cmd[R300_TEX_VALUE_0 + + hw_tmu] = t->format; + r300->hw.tex.pitch.cmd[R300_TEX_VALUE_0 + hw_tmu] = + t->pitch_reg; + r300->hw.tex.offset.cmd[R300_TEX_VALUE_0 + + hw_tmu] = t->offset; + + if (t->offset & R300_TXO_MACRO_TILE) { + WARN_ONCE("macro tiling enabled!\n"); + } + + if (t->offset & R300_TXO_MICRO_TILE) { + WARN_ONCE("micro tiling enabled!\n"); + } + + r300->hw.tex.chroma_key.cmd[R300_TEX_VALUE_0 + + hw_tmu] = 0x0; + r300->hw.tex.border_color.cmd[R300_TEX_VALUE_0 + + hw_tmu] = + t->pp_border_color; + + last_hw_tmu = hw_tmu; + + hw_tmu++; + } + } + + r300->hw.tex.filter.cmd[R300_TEX_CMD_0] = + cmdpacket0(R300_TX_FILTER_0, last_hw_tmu + 1); + r300->hw.tex.filter_1.cmd[R300_TEX_CMD_0] = + cmdpacket0(R300_TX_FILTER1_0, last_hw_tmu + 1); + r300->hw.tex.size.cmd[R300_TEX_CMD_0] = + cmdpacket0(R300_TX_SIZE_0, last_hw_tmu + 1); + r300->hw.tex.format.cmd[R300_TEX_CMD_0] = + cmdpacket0(R300_TX_FORMAT_0, last_hw_tmu + 1); + r300->hw.tex.pitch.cmd[R300_TEX_CMD_0] = + cmdpacket0(R300_TX_PITCH_0, last_hw_tmu + 1); + r300->hw.tex.offset.cmd[R300_TEX_CMD_0] = + cmdpacket0(R300_TX_OFFSET_0, last_hw_tmu + 1); + r300->hw.tex.chroma_key.cmd[R300_TEX_CMD_0] = + cmdpacket0(R300_TX_CHROMA_KEY_0, last_hw_tmu + 1); + r300->hw.tex.border_color.cmd[R300_TEX_CMD_0] = + cmdpacket0(R300_TX_BORDER_COLOR_0, last_hw_tmu + 1); + + if (!fp) /* should only happenen once, just after context is created */ + return; + + R300_STATECHANGE(r300, fpt); + + for (i = 0; i < fp->tex.length; i++) { + int unit; + int opcode; + unsigned long val; + + unit = fp->tex.inst[i] >> R300_FPITX_IMAGE_SHIFT; + unit &= 15; + + val = fp->tex.inst[i]; + val &= ~R300_FPITX_IMAGE_MASK; + + opcode = + (val & R300_FPITX_OPCODE_MASK) >> R300_FPITX_OPCODE_SHIFT; + if (opcode == R300_FPITX_OP_KIL) { + r300->hw.fpt.cmd[R300_FPT_INSTR_0 + i] = val; + } else { + if (tmu_mappings[unit] >= 0) { + val |= + tmu_mappings[unit] << + R300_FPITX_IMAGE_SHIFT; + r300->hw.fpt.cmd[R300_FPT_INSTR_0 + i] = val; + } else { + // We get here when the corresponding texture image is incomplete + // (e.g. incomplete mipmaps etc.) + r300->hw.fpt.cmd[R300_FPT_INSTR_0 + i] = val; + } + } + } + + r300->hw.fpt.cmd[R300_FPT_CMD_0] = + cmdpacket0(R300_PFS_TEXI_0, fp->tex.length); + + if (RADEON_DEBUG & DEBUG_STATE) + fprintf(stderr, "TX_ENABLE: %08x last_hw_tmu=%d\n", + r300->hw.txe.cmd[R300_TXE_ENABLE], last_hw_tmu); +} + +union r300_outputs_written { + GLuint vp_outputs; /* hw_tcl_on */ + DECLARE_RENDERINPUTS(index_bitset); /* !hw_tcl_on */ +}; + +#define R300_OUTPUTS_WRITTEN_TEST(ow, vp_result, tnl_attrib) \ + ((hw_tcl_on) ? (ow).vp_outputs & (1 << (vp_result)) : \ + RENDERINPUTS_TEST( (ow.index_bitset), (tnl_attrib) )) + +static void r300SetupRSUnit(GLcontext * ctx) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + /* I'm still unsure if these are needed */ + GLuint interp_magic[8] = { + 0x00, + R300_RS_INTERP_1_UNKNOWN, + R300_RS_INTERP_2_UNKNOWN, + R300_RS_INTERP_3_UNKNOWN, + 0x00, + 0x00, + 0x00, + 0x00 + }; + union r300_outputs_written OutputsWritten; + GLuint InputsRead; + int fp_reg, high_rr; + int in_texcoords, col_interp_nr; + int i; + + if (hw_tcl_on) + OutputsWritten.vp_outputs = + CURRENT_VERTEX_SHADER(ctx)->key.OutputsWritten; + else + RENDERINPUTS_COPY(OutputsWritten.index_bitset, + r300->state.render_inputs_bitset); + + if (ctx->FragmentProgram._Current) + InputsRead = ctx->FragmentProgram._Current->Base.InputsRead; + else { + fprintf(stderr, "No ctx->FragmentProgram._Current!!\n"); + return; /* This should only ever happen once.. */ + } + + R300_STATECHANGE(r300, ri); + R300_STATECHANGE(r300, rc); + R300_STATECHANGE(r300, rr); + + fp_reg = in_texcoords = col_interp_nr = high_rr = 0; + + r300->hw.rr.cmd[R300_RR_ROUTE_1] = 0; + + if (InputsRead & FRAG_BIT_WPOS) { + for (i = 0; i < ctx->Const.MaxTextureUnits; i++) + if (!(InputsRead & (FRAG_BIT_TEX0 << i))) + break; + + if (i == ctx->Const.MaxTextureUnits) { + fprintf(stderr, "\tno free texcoord found...\n"); + _mesa_exit(-1); + } + + InputsRead |= (FRAG_BIT_TEX0 << i); + InputsRead &= ~FRAG_BIT_WPOS; + } + + for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { + r300->hw.ri.cmd[R300_RI_INTERP_0 + i] = 0 + | R300_RS_INTERP_USED + | (in_texcoords << R300_RS_INTERP_SRC_SHIFT) + | interp_magic[i]; + + r300->hw.rr.cmd[R300_RR_ROUTE_0 + fp_reg] = 0; + if (InputsRead & (FRAG_BIT_TEX0 << i)) { + //assert(r300->state.texture.tc_count != 0); + r300->hw.rr.cmd[R300_RR_ROUTE_0 + fp_reg] |= R300_RS_ROUTE_ENABLE | i /* source INTERP */ + | (fp_reg << R300_RS_ROUTE_DEST_SHIFT); + high_rr = fp_reg; + + if (!R300_OUTPUTS_WRITTEN_TEST + (OutputsWritten, VERT_RESULT_TEX0 + i, + _TNL_ATTRIB_TEX(i))) { + /* Passing invalid data here can lock the GPU. */ + WARN_ONCE + ("fragprog wants coords for tex%d, vp doesn't provide them!\n", + i); + //_mesa_print_program(&CURRENT_VERTEX_SHADER(ctx)->Base); + //_mesa_exit(-1); + } + InputsRead &= ~(FRAG_BIT_TEX0 << i); + fp_reg++; + } + /* Need to count all coords enabled at vof */ + if (R300_OUTPUTS_WRITTEN_TEST + (OutputsWritten, VERT_RESULT_TEX0 + i, _TNL_ATTRIB_TEX(i))) + in_texcoords++; + } + + if (InputsRead & FRAG_BIT_COL0) { + if (!R300_OUTPUTS_WRITTEN_TEST + (OutputsWritten, VERT_RESULT_COL0, _TNL_ATTRIB_COLOR0)) { + WARN_ONCE + ("fragprog wants col0, vp doesn't provide it\n"); + goto out; /* FIXME */ + //_mesa_print_program(&CURRENT_VERTEX_SHADER(ctx)->Base); + //_mesa_exit(-1); + } + + r300->hw.rr.cmd[R300_RR_ROUTE_0] |= 0 + | R300_RS_ROUTE_0_COLOR + | (fp_reg++ << R300_RS_ROUTE_0_COLOR_DEST_SHIFT); + InputsRead &= ~FRAG_BIT_COL0; + col_interp_nr++; + } + out: + + if (InputsRead & FRAG_BIT_COL1) { + if (!R300_OUTPUTS_WRITTEN_TEST + (OutputsWritten, VERT_RESULT_COL1, _TNL_ATTRIB_COLOR1)) { + WARN_ONCE + ("fragprog wants col1, vp doesn't provide it\n"); + //_mesa_exit(-1); + } + + r300->hw.rr.cmd[R300_RR_ROUTE_1] |= + R300_RS_ROUTE_1_UNKNOWN11 | R300_RS_ROUTE_1_COLOR1 | + (fp_reg++ << R300_RS_ROUTE_1_COLOR1_DEST_SHIFT); + InputsRead &= ~FRAG_BIT_COL1; + if (high_rr < 1) + high_rr = 1; + col_interp_nr++; + } + + /* Need at least one. This might still lock as the values are undefined... */ + if (in_texcoords == 0 && col_interp_nr == 0) { + r300->hw.rr.cmd[R300_RR_ROUTE_0] |= 0 + | R300_RS_ROUTE_0_COLOR + | (fp_reg++ << R300_RS_ROUTE_0_COLOR_DEST_SHIFT); + col_interp_nr++; + } + + r300->hw.rc.cmd[1] = 0 | (in_texcoords << R300_RS_CNTL_TC_CNT_SHIFT) + | (col_interp_nr << R300_RS_CNTL_CI_CNT_SHIFT) + | R300_RS_CNTL_0_UNKNOWN_18; + + assert(high_rr >= 0); + r300->hw.rr.cmd[R300_RR_CMD_0] = + cmdpacket0(R300_RS_ROUTE_0, high_rr + 1); + r300->hw.rc.cmd[2] = 0xC0 | high_rr; + + if (InputsRead) + WARN_ONCE("Don't know how to satisfy InputsRead=0x%08x\n", + InputsRead); +} + +#define vpucount(ptr) (((drm_r300_cmd_header_t*)(ptr))->vpu.count) + +#define bump_vpu_count(ptr, new_count) do{\ + drm_r300_cmd_header_t* _p=((drm_r300_cmd_header_t*)(ptr));\ + int _nc=(new_count)/4; \ + assert(_nc < 256); \ + if(_nc>_p->vpu.count)_p->vpu.count=_nc;\ + }while(0) + +void static inline setup_vertex_shader_fragment(r300ContextPtr r300, int dest, struct + r300_vertex_shader_fragment + *vsf) +{ + int i; + + if (vsf->length == 0) + return; + + if (vsf->length & 0x3) { + fprintf(stderr, + "VERTEX_SHADER_FRAGMENT must have length divisible by 4\n"); + _mesa_exit(-1); + } + + switch ((dest >> 8) & 0xf) { + case 0: + R300_STATECHANGE(r300, vpi); + for (i = 0; i < vsf->length; i++) + r300->hw.vpi.cmd[R300_VPI_INSTR_0 + i + + 4 * (dest & 0xff)] = (vsf->body.d[i]); + bump_vpu_count(r300->hw.vpi.cmd, + vsf->length + 4 * (dest & 0xff)); + break; + + case 2: + R300_STATECHANGE(r300, vpp); + for (i = 0; i < vsf->length; i++) + r300->hw.vpp.cmd[R300_VPP_PARAM_0 + i + + 4 * (dest & 0xff)] = (vsf->body.d[i]); + bump_vpu_count(r300->hw.vpp.cmd, + vsf->length + 4 * (dest & 0xff)); + break; + case 4: + R300_STATECHANGE(r300, vps); + for (i = 0; i < vsf->length; i++) + r300->hw.vps.cmd[1 + i + 4 * (dest & 0xff)] = + (vsf->body.d[i]); + bump_vpu_count(r300->hw.vps.cmd, + vsf->length + 4 * (dest & 0xff)); + break; + default: + fprintf(stderr, + "%s:%s don't know how to handle dest %04x\n", + __FILE__, __FUNCTION__, dest); + _mesa_exit(-1); + } +} + +/* just a skeleton for now.. */ + +/* Generate a vertex shader that simply transforms vertex and texture coordinates, + while leaving colors intact. Nothing fancy (like lights) + + If implementing lights make a copy first, so it is easy to switch between the two versions */ +static void r300GenerateSimpleVertexShader(r300ContextPtr r300) +{ + int i; + GLuint o_reg = 0; + + /* Allocate parameters */ + r300->state.vap_param.transform_offset = 0x0; /* transform matrix */ + r300->state.vertex_shader.param_offset = 0x0; + r300->state.vertex_shader.param_count = 0x4; /* 4 vector values - 4x4 matrix */ + + r300->state.vertex_shader.program_start = 0x0; + r300->state.vertex_shader.unknown_ptr1 = 0x4; /* magic value ? */ + r300->state.vertex_shader.program_end = 0x0; + + r300->state.vertex_shader.unknown_ptr2 = 0x0; /* magic value */ + r300->state.vertex_shader.unknown_ptr3 = 0x4; /* magic value */ + + r300->state.vertex_shader.unknown1.length = 0; + r300->state.vertex_shader.unknown2.length = 0; + +#define WRITE_OP(oper,source1,source2,source3) {\ + r300->state.vertex_shader.program.body.i[r300->state.vertex_shader.program_end].op=(oper); \ + r300->state.vertex_shader.program.body.i[r300->state.vertex_shader.program_end].src[0]=(source1); \ + r300->state.vertex_shader.program.body.i[r300->state.vertex_shader.program_end].src[1]=(source2); \ + r300->state.vertex_shader.program.body.i[r300->state.vertex_shader.program_end].src[2]=(source3); \ + r300->state.vertex_shader.program_end++; \ + } + + for (i = VERT_ATTRIB_POS; i < VERT_ATTRIB_MAX; i++) + if (r300->state.sw_tcl_inputs[i] != -1) { + WRITE_OP(EASY_VSF_OP(MUL, o_reg++, ALL, RESULT), + VSF_REG(r300->state.sw_tcl_inputs[i]), + VSF_ATTR_UNITY(r300->state. + sw_tcl_inputs[i]), + VSF_UNITY(r300->state.sw_tcl_inputs[i]) + ) + + } + + r300->state.vertex_shader.program_end--; /* r300 wants program length to be one more - no idea why */ + r300->state.vertex_shader.program.length = + (r300->state.vertex_shader.program_end + 1) * 4; + + r300->state.vertex_shader.unknown_ptr1 = r300->state.vertex_shader.program_end; /* magic value ? */ + r300->state.vertex_shader.unknown_ptr2 = r300->state.vertex_shader.program_end; /* magic value ? */ + r300->state.vertex_shader.unknown_ptr3 = r300->state.vertex_shader.program_end; /* magic value ? */ + +} + +static void r300SetupVertexProgram(r300ContextPtr rmesa) +{ + GLcontext *ctx = rmesa->radeon.glCtx; + int inst_count; + int param_count; + struct r300_vertex_program *prog = + (struct r300_vertex_program *)CURRENT_VERTEX_SHADER(ctx); + + ((drm_r300_cmd_header_t *) rmesa->hw.vpp.cmd)->vpu.count = 0; + R300_STATECHANGE(rmesa, vpp); + param_count = + r300VertexProgUpdateParams(ctx, (struct r300_vertex_program_cont *) + ctx->VertexProgram._Current /*prog */ , + (float *)&rmesa->hw.vpp. + cmd[R300_VPP_PARAM_0]); + bump_vpu_count(rmesa->hw.vpp.cmd, param_count); + param_count /= 4; + + /* Reset state, in case we don't use something */ + ((drm_r300_cmd_header_t *) rmesa->hw.vpi.cmd)->vpu.count = 0; + ((drm_r300_cmd_header_t *) rmesa->hw.vps.cmd)->vpu.count = 0; + + setup_vertex_shader_fragment(rmesa, VSF_DEST_PROGRAM, &(prog->program)); + +#if 0 + setup_vertex_shader_fragment(rmesa, VSF_DEST_UNKNOWN1, + &(rmesa->state.vertex_shader.unknown1)); + setup_vertex_shader_fragment(rmesa, VSF_DEST_UNKNOWN2, + &(rmesa->state.vertex_shader.unknown2)); +#endif + + inst_count = prog->program.length / 4 - 1; + + R300_STATECHANGE(rmesa, pvs); + rmesa->hw.pvs.cmd[R300_PVS_CNTL_1] = + (0 << R300_PVS_CNTL_1_PROGRAM_START_SHIFT) + | (inst_count /*pos_end */ << R300_PVS_CNTL_1_POS_END_SHIFT) + | (inst_count << R300_PVS_CNTL_1_PROGRAM_END_SHIFT); + rmesa->hw.pvs.cmd[R300_PVS_CNTL_2] = + (0 << R300_PVS_CNTL_2_PARAM_OFFSET_SHIFT) + | (param_count << R300_PVS_CNTL_2_PARAM_COUNT_SHIFT); + rmesa->hw.pvs.cmd[R300_PVS_CNTL_3] = + (0 /*rmesa->state.vertex_shader.unknown_ptr2 */ << + R300_PVS_CNTL_3_PROGRAM_UNKNOWN_SHIFT) + | (inst_count /*rmesa->state.vertex_shader.unknown_ptr3 */ << + 0); + + /* This is done for vertex shader fragments, but also needs to be done for vap_pvs, + so I leave it as a reminder */ +#if 0 + reg_start(R300_VAP_PVS_WAITIDLE, 0); + e32(0x00000000); +#endif +} + +static void r300SetupVertexShader(r300ContextPtr rmesa) +{ + GLcontext *ctx = rmesa->radeon.glCtx; + + /* Reset state, in case we don't use something */ + ((drm_r300_cmd_header_t *) rmesa->hw.vpp.cmd)->vpu.count = 0; + ((drm_r300_cmd_header_t *) rmesa->hw.vpi.cmd)->vpu.count = 0; + ((drm_r300_cmd_header_t *) rmesa->hw.vps.cmd)->vpu.count = 0; + + /* Not sure why this doesnt work... + 0x400 area might have something to do with pixel shaders as it appears right after pfs programming. + 0x406 is set to { 0.0, 0.0, 1.0, 0.0 } most of the time but should change with smooth points and in other rare cases. */ + //setup_vertex_shader_fragment(rmesa, 0x406, &unk4); + if (hw_tcl_on + && ((struct r300_vertex_program *)CURRENT_VERTEX_SHADER(ctx))-> + translated) { + r300SetupVertexProgram(rmesa); + return; + } + + /* This needs to be replaced by vertex shader generation code */ + r300GenerateSimpleVertexShader(rmesa); + + setup_vertex_shader_fragment(rmesa, VSF_DEST_PROGRAM, + &(rmesa->state.vertex_shader.program)); + +#if 0 + setup_vertex_shader_fragment(rmesa, VSF_DEST_UNKNOWN1, + &(rmesa->state.vertex_shader.unknown1)); + setup_vertex_shader_fragment(rmesa, VSF_DEST_UNKNOWN2, + &(rmesa->state.vertex_shader.unknown2)); +#endif + + R300_STATECHANGE(rmesa, pvs); + rmesa->hw.pvs.cmd[R300_PVS_CNTL_1] = + (rmesa->state.vertex_shader. + program_start << R300_PVS_CNTL_1_PROGRAM_START_SHIFT) + | (rmesa->state.vertex_shader. + unknown_ptr1 << R300_PVS_CNTL_1_POS_END_SHIFT) + | (rmesa->state.vertex_shader. + program_end << R300_PVS_CNTL_1_PROGRAM_END_SHIFT); + rmesa->hw.pvs.cmd[R300_PVS_CNTL_2] = + (rmesa->state.vertex_shader. + param_offset << R300_PVS_CNTL_2_PARAM_OFFSET_SHIFT) + | (rmesa->state.vertex_shader. + param_count << R300_PVS_CNTL_2_PARAM_COUNT_SHIFT); + rmesa->hw.pvs.cmd[R300_PVS_CNTL_3] = + (rmesa->state.vertex_shader. + unknown_ptr2 << R300_PVS_CNTL_3_PROGRAM_UNKNOWN_SHIFT) + | (rmesa->state.vertex_shader.unknown_ptr3 << 0); + + /* This is done for vertex shader fragments, but also needs to be done for vap_pvs, + so I leave it as a reminder */ +#if 0 + reg_start(R300_VAP_PVS_WAITIDLE, 0); + e32(0x00000000); +#endif +} + +/** + * Completely recalculates hardware state based on the Mesa state. + */ +static void r300ResetHwState(r300ContextPtr r300) +{ + GLcontext *ctx = r300->radeon.glCtx; + int has_tcl = 1; + + if (!(r300->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) + has_tcl = 0; + + if (RADEON_DEBUG & DEBUG_STATE) + fprintf(stderr, "%s\n", __FUNCTION__); + + /* This is a place to initialize registers which + have bitfields accessed by different functions + and not all bits are used */ + + /* go and compute register values from GL state */ + + r300UpdateWindow(ctx); + + r300ColorMask(ctx, + ctx->Color.ColorMask[RCOMP], + ctx->Color.ColorMask[GCOMP], + ctx->Color.ColorMask[BCOMP], ctx->Color.ColorMask[ACOMP]); + + r300Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test); + r300DepthMask(ctx, ctx->Depth.Mask); + r300DepthFunc(ctx, ctx->Depth.Func); + + /* stencil */ + r300Enable(ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled); + r300StencilMaskSeparate(ctx, 0, ctx->Stencil.WriteMask[0]); + r300StencilFuncSeparate(ctx, 0, ctx->Stencil.Function[0], + ctx->Stencil.Ref[0], ctx->Stencil.ValueMask[0]); + r300StencilOpSeparate(ctx, 0, ctx->Stencil.FailFunc[0], + ctx->Stencil.ZFailFunc[0], + ctx->Stencil.ZPassFunc[0]); + + r300UpdateCulling(ctx); + + r300UpdateTextureState(ctx); + + r300SetBlendState(ctx); + + r300AlphaFunc(ctx, ctx->Color.AlphaFunc, ctx->Color.AlphaRef); + r300Enable(ctx, GL_ALPHA_TEST, ctx->Color.AlphaEnabled); + + /* Initialize magic registers + TODO : learn what they really do, or get rid of + those we don't have to touch */ + if (!has_tcl) + r300->hw.vap_cntl.cmd[1] = 0x0014045a; + else + r300->hw.vap_cntl.cmd[1] = 0x0030045A; //0x0030065a /* Dangerous */ + r300->hw.vte.cmd[1] = R300_VPORT_X_SCALE_ENA + | R300_VPORT_X_OFFSET_ENA + | R300_VPORT_Y_SCALE_ENA + | R300_VPORT_Y_OFFSET_ENA + | R300_VPORT_Z_SCALE_ENA + | R300_VPORT_Z_OFFSET_ENA | R300_VTX_W0_FMT; + r300->hw.vte.cmd[2] = 0x00000008; + + r300->hw.unk2134.cmd[1] = 0x00FFFFFF; + r300->hw.unk2134.cmd[2] = 0x00000000; + if (_mesa_little_endian()) + r300->hw.vap_cntl_status.cmd[1] = R300_VC_NO_SWAP; + else + r300->hw.vap_cntl_status.cmd[1] = R300_VC_32BIT_SWAP; + + /* disable VAP/TCL on non-TCL capable chips */ + if (!has_tcl) + r300->hw.vap_cntl_status.cmd[1] |= R300_VAP_TCL_BYPASS; + + r300->hw.unk21DC.cmd[1] = 0xAAAAAAAA; + + r300->hw.vap_clip_cntl.cmd[1] = R300_221C_NORMAL; + + r300->hw.unk2220.cmd[1] = r300PackFloat32(1.0); + r300->hw.unk2220.cmd[2] = r300PackFloat32(1.0); + r300->hw.unk2220.cmd[3] = r300PackFloat32(1.0); + r300->hw.unk2220.cmd[4] = r300PackFloat32(1.0); + + /* what about other chips than r300 or rv350??? */ + if (r300->radeon.radeonScreen->chip_family == CHIP_FAMILY_R300) + r300->hw.unk2288.cmd[1] = R300_2288_R300; + else + r300->hw.unk2288.cmd[1] = R300_2288_RV350; + + r300->hw.gb_enable.cmd[1] = R300_GB_POINT_STUFF_ENABLE + | R300_GB_LINE_STUFF_ENABLE + | R300_GB_TRIANGLE_STUFF_ENABLE /*| R300_GB_UNK31 */ ; + + r300->hw.gb_misc.cmd[R300_GB_MISC_MSPOS_0] = 0x66666666; + r300->hw.gb_misc.cmd[R300_GB_MISC_MSPOS_1] = 0x06666666; + if ((r300->radeon.radeonScreen->chip_family == CHIP_FAMILY_R300) || + (r300->radeon.radeonScreen->chip_family == CHIP_FAMILY_R350)) + r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] = + R300_GB_TILE_ENABLE | R300_GB_TILE_PIPE_COUNT_R300 | + R300_GB_TILE_SIZE_16; + else if (r300->radeon.radeonScreen->chip_family == CHIP_FAMILY_RV410) + r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] = + R300_GB_TILE_ENABLE | R300_GB_TILE_PIPE_COUNT_RV410 | + R300_GB_TILE_SIZE_16; + else if (r300->radeon.radeonScreen->chip_family == CHIP_FAMILY_R420) + r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] = + R300_GB_TILE_ENABLE | R300_GB_TILE_PIPE_COUNT_R420 | + R300_GB_TILE_SIZE_16; + else + r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] = + R300_GB_TILE_ENABLE | R300_GB_TILE_PIPE_COUNT_RV300 | + R300_GB_TILE_SIZE_16; + /* set to 0 when fog is disabled? */ + r300->hw.gb_misc.cmd[R300_GB_MISC_SELECT] = R300_GB_FOG_SELECT_1_1_W; + r300->hw.gb_misc.cmd[R300_GB_MISC_AA_CONFIG] = R300_AA_DISABLE; /* No antialiasing */ + + r300->hw.unk4200.cmd[1] = r300PackFloat32(0.0); + r300->hw.unk4200.cmd[2] = r300PackFloat32(0.0); + r300->hw.unk4200.cmd[3] = r300PackFloat32(1.0); + r300->hw.unk4200.cmd[4] = r300PackFloat32(1.0); + + r300->hw.unk4214.cmd[1] = 0x00050005; + + r300PointSize(ctx, 0.0); + + r300->hw.unk4230.cmd[1] = 0x18000006; + r300->hw.unk4230.cmd[2] = 0x00020006; + r300->hw.unk4230.cmd[3] = r300PackFloat32(1.0 / 192.0); + + r300LineWidth(ctx, 0.0); + + r300->hw.unk4260.cmd[1] = 0; + r300->hw.unk4260.cmd[2] = r300PackFloat32(0.0); + r300->hw.unk4260.cmd[3] = r300PackFloat32(1.0); + + r300->hw.shade.cmd[1] = 0x00000002; + r300ShadeModel(ctx, ctx->Light.ShadeModel); + r300->hw.shade.cmd[3] = 0x00000000; + r300->hw.shade.cmd[4] = 0x00000000; + + r300PolygonMode(ctx, GL_FRONT, ctx->Polygon.FrontMode); + r300PolygonMode(ctx, GL_BACK, ctx->Polygon.BackMode); + r300->hw.polygon_mode.cmd[2] = 0x00000001; + r300->hw.polygon_mode.cmd[3] = 0x00000000; + r300->hw.zbias_cntl.cmd[1] = 0x00000000; + + r300PolygonOffset(ctx, ctx->Polygon.OffsetFactor, + ctx->Polygon.OffsetUnits); + r300Enable(ctx, GL_POLYGON_OFFSET_FILL, ctx->Polygon.OffsetFill); + + r300->hw.unk42C0.cmd[1] = 0x4B7FFFFF; + r300->hw.unk42C0.cmd[2] = 0x00000000; + + r300->hw.unk43A4.cmd[1] = 0x0000001C; + r300->hw.unk43A4.cmd[2] = 0x2DA49525; + + r300->hw.unk43E8.cmd[1] = 0x00FFFFFF; + + r300->hw.unk46A4.cmd[1] = 0x00001B01; + r300->hw.unk46A4.cmd[2] = 0x00001B0F; + r300->hw.unk46A4.cmd[3] = 0x00001B0F; + r300->hw.unk46A4.cmd[4] = 0x00001B0F; + r300->hw.unk46A4.cmd[5] = 0x00000001; + + r300Enable(ctx, GL_FOG, ctx->Fog.Enabled); + ctx->Driver.Fogfv(ctx, GL_FOG_MODE, NULL); + ctx->Driver.Fogfv(ctx, GL_FOG_DENSITY, &ctx->Fog.Density); + ctx->Driver.Fogfv(ctx, GL_FOG_START, &ctx->Fog.Start); + ctx->Driver.Fogfv(ctx, GL_FOG_END, &ctx->Fog.End); + ctx->Driver.Fogfv(ctx, GL_FOG_COLOR, ctx->Fog.Color); + ctx->Driver.Fogfv(ctx, GL_FOG_COORDINATE_SOURCE_EXT, NULL); + + r300->hw.at.cmd[R300_AT_UNKNOWN] = 0; + r300->hw.unk4BD8.cmd[1] = 0; + + r300->hw.unk4E00.cmd[1] = 0; + + r300BlendColor(ctx, ctx->Color.BlendColor); + r300->hw.blend_color.cmd[2] = 0; + r300->hw.blend_color.cmd[3] = 0; + + /* Again, r300ClearBuffer uses this */ + r300->hw.cb.cmd[R300_CB_OFFSET] = + r300->radeon.state.color.drawOffset + + r300->radeon.radeonScreen->fbLocation; + r300->hw.cb.cmd[R300_CB_PITCH] = r300->radeon.state.color.drawPitch; + + if (r300->radeon.radeonScreen->cpp == 4) + r300->hw.cb.cmd[R300_CB_PITCH] |= R300_COLOR_FORMAT_ARGB8888; + else + r300->hw.cb.cmd[R300_CB_PITCH] |= R300_COLOR_FORMAT_RGB565; + + if (r300->radeon.sarea->tiling_enabled) + r300->hw.cb.cmd[R300_CB_PITCH] |= R300_COLOR_TILE_ENABLE; + + r300->hw.unk4E50.cmd[1] = 0; + r300->hw.unk4E50.cmd[2] = 0; + r300->hw.unk4E50.cmd[3] = 0; + r300->hw.unk4E50.cmd[4] = 0; + r300->hw.unk4E50.cmd[5] = 0; + r300->hw.unk4E50.cmd[6] = 0; + r300->hw.unk4E50.cmd[7] = 0; + r300->hw.unk4E50.cmd[8] = 0; + r300->hw.unk4E50.cmd[9] = 0; + + r300->hw.unk4E88.cmd[1] = 0; + + r300->hw.unk4EA0.cmd[1] = 0x00000000; + r300->hw.unk4EA0.cmd[2] = 0xffffffff; + + switch (ctx->Visual.depthBits) { + case 16: + r300->hw.zstencil_format.cmd[1] = R300_DEPTH_FORMAT_16BIT_INT_Z; + break; + case 24: + r300->hw.zstencil_format.cmd[1] = R300_DEPTH_FORMAT_24BIT_INT_Z; + break; + default: + fprintf(stderr, "Error: Unsupported depth %d... exiting\n", + ctx->Visual.depthBits); + _mesa_exit(-1); + + } + /* z compress? */ + //r300->hw.zstencil_format.cmd[1] |= R300_DEPTH_FORMAT_UNK32; + + r300->hw.zstencil_format.cmd[3] = 0x00000003; + r300->hw.zstencil_format.cmd[4] = 0x00000000; + + r300->hw.zb.cmd[R300_ZB_OFFSET] = + r300->radeon.radeonScreen->depthOffset + + r300->radeon.radeonScreen->fbLocation; + r300->hw.zb.cmd[R300_ZB_PITCH] = r300->radeon.radeonScreen->depthPitch; + + if (r300->radeon.sarea->tiling_enabled) { + /* Turn off when clearing buffers ? */ + r300->hw.zb.cmd[R300_ZB_PITCH] |= R300_DEPTH_TILE_ENABLE; + + if (ctx->Visual.depthBits == 24) + r300->hw.zb.cmd[R300_ZB_PITCH] |= + R300_DEPTH_MICROTILE_ENABLE; + } + + r300->hw.unk4F28.cmd[1] = 0; + + r300->hw.unk4F30.cmd[1] = 0; + r300->hw.unk4F30.cmd[2] = 0; + + r300->hw.unk4F44.cmd[1] = 0; + + r300->hw.unk4F54.cmd[1] = 0; + + if (has_tcl) { + r300->hw.vps.cmd[R300_VPS_ZERO_0] = 0; + r300->hw.vps.cmd[R300_VPS_ZERO_1] = 0; + r300->hw.vps.cmd[R300_VPS_POINTSIZE] = r300PackFloat32(1.0); + r300->hw.vps.cmd[R300_VPS_ZERO_3] = 0; + } +//END: TODO + r300->hw.all_dirty = GL_TRUE; +} + + +extern void _tnl_UpdateFixedFunctionProgram(GLcontext * ctx); + +extern int future_hw_tcl_on; +void r300UpdateShaders(r300ContextPtr rmesa) +{ + GLcontext *ctx; + struct r300_vertex_program *vp; + int i; + + ctx = rmesa->radeon.glCtx; + + if (rmesa->NewGLState && hw_tcl_on) { + rmesa->NewGLState = 0; + + for (i = _TNL_FIRST_MAT; i <= _TNL_LAST_MAT; i++) { + rmesa->temp_attrib[i] = + TNL_CONTEXT(ctx)->vb.AttribPtr[i]; + TNL_CONTEXT(ctx)->vb.AttribPtr[i] = + &rmesa->dummy_attrib[i]; + } + + _tnl_UpdateFixedFunctionProgram(ctx); + + for (i = _TNL_FIRST_MAT; i <= _TNL_LAST_MAT; i++) { + TNL_CONTEXT(ctx)->vb.AttribPtr[i] = + rmesa->temp_attrib[i]; + } + + r300SelectVertexShader(rmesa); + vp = (struct r300_vertex_program *) + CURRENT_VERTEX_SHADER(ctx); + /*if (vp->translated == GL_FALSE) + r300TranslateVertexShader(vp); */ + if (vp->translated == GL_FALSE) { + fprintf(stderr, "Failing back to sw-tcl\n"); + hw_tcl_on = future_hw_tcl_on = 0; + r300ResetHwState(rmesa); + + return; + } + r300UpdateStateParameters(ctx, _NEW_PROGRAM); + } + +} + +static void r300SetupPixelShader(r300ContextPtr rmesa) +{ + GLcontext *ctx = rmesa->radeon.glCtx; + struct r300_fragment_program *fp = (struct r300_fragment_program *) + (char *)ctx->FragmentProgram._Current; + int i, k; + + if (!fp) /* should only happenen once, just after context is created */ + return; + + r300TranslateFragmentShader(rmesa, fp); + if (!fp->translated) { + fprintf(stderr, "%s: No valid fragment shader, exiting\n", + __FUNCTION__); + return; + } +#define OUTPUT_FIELD(st, reg, field) \ + R300_STATECHANGE(rmesa, st); \ + for(i=0;i<=fp->alu_end;i++) \ + rmesa->hw.st.cmd[R300_FPI_INSTR_0+i]=fp->alu.inst[i].field;\ + rmesa->hw.st.cmd[R300_FPI_CMD_0]=cmdpacket0(reg, fp->alu_end+1); + + OUTPUT_FIELD(fpi[0], R300_PFS_INSTR0_0, inst0); + OUTPUT_FIELD(fpi[1], R300_PFS_INSTR1_0, inst1); + OUTPUT_FIELD(fpi[2], R300_PFS_INSTR2_0, inst2); + OUTPUT_FIELD(fpi[3], R300_PFS_INSTR3_0, inst3); +#undef OUTPUT_FIELD + + R300_STATECHANGE(rmesa, fp); + /* I just want to say, the way these nodes are stored.. weird.. */ + for (i = 0, k = (4 - (fp->cur_node + 1)); i < 4; i++, k++) { + if (i < (fp->cur_node + 1)) { + rmesa->hw.fp.cmd[R300_FP_NODE0 + k] = + (fp->node[i]. + alu_offset << R300_PFS_NODE_ALU_OFFSET_SHIFT) + | (fp->node[i]. + alu_end << R300_PFS_NODE_ALU_END_SHIFT) + | (fp->node[i]. + tex_offset << R300_PFS_NODE_TEX_OFFSET_SHIFT) + | (fp->node[i]. + tex_end << R300_PFS_NODE_TEX_END_SHIFT) + | fp->node[i].flags; /* ( (k==3) ? R300_PFS_NODE_LAST_NODE : 0); */ + } else { + rmesa->hw.fp.cmd[R300_FP_NODE0 + (3 - i)] = 0; + } + } + + /* PFS_CNTL_0 */ + rmesa->hw.fp.cmd[R300_FP_CNTL0] = + fp->cur_node | (fp->first_node_has_tex << 3); + /* PFS_CNTL_1 */ + rmesa->hw.fp.cmd[R300_FP_CNTL1] = fp->max_temp_idx; + /* PFS_CNTL_2 */ + rmesa->hw.fp.cmd[R300_FP_CNTL2] = + (fp->alu_offset << R300_PFS_CNTL_ALU_OFFSET_SHIFT) + | (fp->alu_end << R300_PFS_CNTL_ALU_END_SHIFT) + | (fp->tex_offset << R300_PFS_CNTL_TEX_OFFSET_SHIFT) + | (fp->tex_end << R300_PFS_CNTL_TEX_END_SHIFT); + + R300_STATECHANGE(rmesa, fpp); + for (i = 0; i < fp->const_nr; i++) { + rmesa->hw.fpp.cmd[R300_FPP_PARAM_0 + 4 * i + 0] = + r300PackFloat24(fp->constant[i][0]); + rmesa->hw.fpp.cmd[R300_FPP_PARAM_0 + 4 * i + 1] = + r300PackFloat24(fp->constant[i][1]); + rmesa->hw.fpp.cmd[R300_FPP_PARAM_0 + 4 * i + 2] = + r300PackFloat24(fp->constant[i][2]); + rmesa->hw.fpp.cmd[R300_FPP_PARAM_0 + 4 * i + 3] = + r300PackFloat24(fp->constant[i][3]); + } + rmesa->hw.fpp.cmd[R300_FPP_CMD_0] = + cmdpacket0(R300_PFS_PARAM_0_X, fp->const_nr * 4); +} + +void r300UpdateShaderStates(r300ContextPtr rmesa) +{ + GLcontext *ctx; + ctx = rmesa->radeon.glCtx; + + r300UpdateTextureState(ctx); + + r300SetupPixelShader(rmesa); + r300SetupTextures(ctx); + + if ((rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) + r300SetupVertexShader(rmesa); + r300SetupRSUnit(ctx); +} + +/** + * Called by Mesa after an internal state update. + */ +static void r300InvalidateState(GLcontext * ctx, GLuint new_state) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + + _swrast_InvalidateState(ctx, new_state); + _swsetup_InvalidateState(ctx, new_state); + _vbo_InvalidateState(ctx, new_state); + _tnl_InvalidateState(ctx, new_state); + _ae_invalidate_state(ctx, new_state); + + if (new_state & (_NEW_BUFFERS | _NEW_COLOR | _NEW_PIXEL)) { + r300UpdateDrawBuffer(ctx); + } + + r300UpdateStateParameters(ctx, new_state); + + r300->NewGLState |= new_state; +} + +/** + * Calculate initial hardware state and register state functions. + * Assumes that the command buffer and state atoms have been + * initialized already. + */ +void r300InitState(r300ContextPtr r300) +{ + GLcontext *ctx = r300->radeon.glCtx; + GLuint depth_fmt; + + radeonInitState(&r300->radeon); + + switch (ctx->Visual.depthBits) { + case 16: + r300->state.depth.scale = 1.0 / (GLfloat) 0xffff; + depth_fmt = R300_DEPTH_FORMAT_16BIT_INT_Z; + r300->state.stencil.clear = 0x00000000; + break; + case 24: + r300->state.depth.scale = 1.0 / (GLfloat) 0xffffff; + depth_fmt = R300_DEPTH_FORMAT_24BIT_INT_Z; + r300->state.stencil.clear = 0x00ff0000; + break; + + + default: + fprintf(stderr, "Error: Unsupported depth %d... exiting\n", + ctx->Visual.depthBits); + _mesa_exit(-1); + } + + /* Only have hw stencil when depth buffer is 24 bits deep */ + r300->state.stencil.hw_stencil = (ctx->Visual.stencilBits > 0 && + ctx->Visual.depthBits == 24); + + memset(&(r300->state.texture), 0, sizeof(r300->state.texture)); + + r300ResetHwState(r300); +} + +static void r300RenderMode(GLcontext * ctx, GLenum mode) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + (void)rmesa; + (void)mode; +} + +static void r300ClipPlane( GLcontext *ctx, GLenum plane, const GLfloat *eq ) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + GLint p = (GLint) plane - (GLint) GL_CLIP_PLANE0; + GLint *ip = (GLint *)ctx->Transform._ClipUserPlane[p]; + + R300_STATECHANGE( rmesa, vpucp[p] ); + rmesa->hw.vpucp[p].cmd[R300_VPUCP_X] = ip[0]; + rmesa->hw.vpucp[p].cmd[R300_VPUCP_Y] = ip[1]; + rmesa->hw.vpucp[p].cmd[R300_VPUCP_Z] = ip[2]; + rmesa->hw.vpucp[p].cmd[R300_VPUCP_W] = ip[3]; +} + + +void r300UpdateClipPlanes( GLcontext *ctx ) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + GLuint p; + + for (p = 0; p < ctx->Const.MaxClipPlanes; p++) { + if (ctx->Transform.ClipPlanesEnabled & (1 << p)) { + GLint *ip = (GLint *)ctx->Transform._ClipUserPlane[p]; + + R300_STATECHANGE( rmesa, vpucp[p] ); + rmesa->hw.vpucp[p].cmd[R300_VPUCP_X] = ip[0]; + rmesa->hw.vpucp[p].cmd[R300_VPUCP_Y] = ip[1]; + rmesa->hw.vpucp[p].cmd[R300_VPUCP_Z] = ip[2]; + rmesa->hw.vpucp[p].cmd[R300_VPUCP_W] = ip[3]; + } + } +} + +/** + * Initialize driver's state callback functions + */ +void r300InitStateFuncs(struct dd_function_table *functions) +{ + radeonInitStateFuncs(functions); + + functions->UpdateState = r300InvalidateState; + functions->AlphaFunc = r300AlphaFunc; + functions->BlendColor = r300BlendColor; + functions->BlendEquationSeparate = r300BlendEquationSeparate; + functions->BlendFuncSeparate = r300BlendFuncSeparate; + functions->Enable = r300Enable; + functions->ColorMask = r300ColorMask; + functions->DepthFunc = r300DepthFunc; + functions->DepthMask = r300DepthMask; + functions->CullFace = r300CullFace; + functions->Fogfv = r300Fogfv; + functions->FrontFace = r300FrontFace; + functions->ShadeModel = r300ShadeModel; + + /* Stencil related */ + functions->ClearStencil = r300ClearStencil; + functions->StencilFuncSeparate = r300StencilFuncSeparate; + functions->StencilMaskSeparate = r300StencilMaskSeparate; + functions->StencilOpSeparate = r300StencilOpSeparate; + + /* Viewport related */ + functions->Viewport = r300Viewport; + functions->DepthRange = r300DepthRange; + functions->PointSize = r300PointSize; + functions->LineWidth = r300LineWidth; + + functions->PolygonOffset = r300PolygonOffset; + functions->PolygonMode = r300PolygonMode; + + functions->RenderMode = r300RenderMode; + + functions->ClipPlane = r300ClipPlane; +} |